Math 105:
Arithmetic
Lecture Videos

to accompany Basic College Mathematics, 4th ed, by Elayn Martin-Gay



Chapter 1. The Whole Numbers
1.1 Tips for Success in Mathematics
1.2 Place Value, Names for Numbers, and Reading Tables
1.3 Adding Whole Numbers and Perimeter
1.4 Subtracting Whole Numbers
1.5 Rounding and Estimating
1.6 Multiplying Whole Numbers and Area
1.7 Dividing Whole Numbers
1.8 An Introduction to Problem Solving
1.9 Exponents, Square Roots and Order of Operations

Chapter 2. Multiplying and Dividing Fractions
2.1 Introduction to Fractions and Mixed Numbers
2.2 Factors and Prime Factorization
2.3 Simplest Form of a Fraction
2.4 Multiplying Fractions and Mixed Numbers
2.5 Dividing Fractions and Mixed Numbers

Chapter 3. Adding and Subtracting Fractions
3.1 Adding and Subtracting Like Fractions
3.2 Least Common Multiple
3.3 Adding and Subtracting Unlike Fractions
3.4 Adding and Subtracting Mixed Numbers
3.5 Order, Exponents, and the Order of Operations
3.6 Fractions and Problem Solving

Chapter 4. Decimals
4.1 Introduction to Decimals
4.2 Order and Rounding
4.3 Adding and Subtracting Decimals
4.4 Multiplying Decimals and Circumference of a Circle
4.5 Dividing Decimals and Order of Operations
4.6 Fractions and Decimals

Chapter 5. Ratio and Proportion
5.1 Ratios
5.2 Rates
5.3 Proportions
5.3 Obj A Write Sentences as Proportions
5.4 Proportions and Problem Solving


Chapter 6. Percent
6.1 Introduction to Percent
6.2 Percents and Fractions
6.3 Solving Percent Problems Using Equations
6.4 Solving Percent Problems Using Proportions
6.5 Applications of Percent
6.6 Percent and Problem Solving: Sales Tax, Commission, and Discount
6.7 Percent and Problem Solving: Interest

Chapter 7. Measurement
7.1 Length: U.S. and Metric Systems of Measurement
7.2 Weight and Mass: U.S. and Metric Systems of Measurement
7.3 Capacity: U.S. and Metric Systems of Measurement
7.4 Conversions Between U.S. and Metric Systems
7.5 Temperature: U.S. and Metric Systems of Measurement
7.6 Energy: U.S. and Metric Systems of Measurement

Chapter 8. Geometry
8.1 Lines and Angles
8.2 Plane Figures and Solid
8.3 Perimeter
8.4 Area
8.5 Volume
8.6 Square Roots and the Pythagorean Theorem
8.7 Congruent and Similar Triangles

Chapter 9. Statistics and Probability
9.1 Reading Pictographs, Bar Graphs, Histograms, and Line Graphs
9.2 Reading Circle Graphs
9.3 Mean, Median, and Mode
9.4 Counting and Introduction to Probability

Chapter 10. Signed Numbers
10.1 Signed Numbers
10.2 Adding Signed Numbers
10.3 Subtracting Signed Numbers
10.4 Multiplying and Dividing Signed Numbers
10.5 Order of Operations

Chapter 11. Introduction to Algebra
11.1 Introduction to Variables
11.2 Solving Equations: The Addition Property
11.3 Solving Equations: The Multiplication Property
11.4 Solving Equations Using Addition and Multiplication Properties
11.5 Equations and Problem Solving